Thanks for the advice, an eflite 400 has a 4200Kv rating, thats what it says in the specs anyway, but if u recommend a 2200kv ill go for that, im clueless about this, being used to ic flight. Also i thought ude need to use an inrunner type motor but an outrunner would suit me better being more available on ebay. P.S. what do you think of this motor http://cgi.ebay.co.uk/Xpower-MP2212-06-Outrunner-Brushless-Motor-2200KV-1-4A_W0QQitemZ270193167745QQihZ017QQcategoryZ34056QQrdZ1QQssPageNameZWD1VQQcmdZViewItem